PMC:7143846 / 6234-6329 JSONTXT

{"project":"LitCovid-PD-CLO","denotations":[{"id":"T32","span":{"begin":57,"end":63},"obj":"http://purl.obolibrary.org/obo/CLO_0001658"}],"text":"The following inclusion criteria were employed to select active Weibo users from the data pool."}

{"project":"LitCovid-sentences","denotations":[{"id":"T46","span":{"begin":0,"end":95},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"The following inclusion criteria were employed to select active Weibo users from the data pool."}